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<?php
/**
* @see https://github.com/zendframework/zend-barcode for the canonical source repository
* @copyright Copyright (c) 2005-2019 Zend Technologies USA Inc. (http://www.zend.com)
* @license https://github.com/zendframework/zend-barcode/blob/master/LICENSE.md New BSD License
*/
namespace Zend\Barcode\Object;
/**
* Class for generate Royal maim barcode
*/
class Royalmail extends AbstractObject
{
/**
* Coding map
* - 0 = Tracker, Ascender and Descender
* - 1 = Tracker and Ascender
* - 2 = Tracker and Descender
* - 3 = Tracker
* @var array
*/
protected $codingMap = [
'0' => '3300', '1' => '3210', '2' => '3201', '3' => '2310', '4' => '2301', '5' => '2211',
'6' => '3120', '7' => '3030', '8' => '3021', '9' => '2130', 'A' => '2121', 'B' => '2031',
'C' => '3102', 'D' => '3012', 'E' => '3003', 'F' => '2112', 'G' => '2103', 'H' => '2013',
'I' => '1320', 'J' => '1230', 'K' => '1221', 'L' => '0330', 'M' => '0321', 'N' => '0231',
'O' => '1302', 'P' => '1212', 'Q' => '1203', 'R' => '0312', 'S' => '0303', 'T' => '0213',
'U' => '1122', 'V' => '1032', 'W' => '1023', 'X' => '0132', 'Y' => '0123', 'Z' => '0033'
];
protected $rows = [
'0' => 1, '1' => 1, '2' => 1, '3' => 1, '4' => 1, '5' => 1,
'6' => 2, '7' => 2, '8' => 2, '9' => 2, 'A' => 2, 'B' => 2,
'C' => 3, 'D' => 3, 'E' => 3, 'F' => 3, 'G' => 3, 'H' => 3,
'I' => 4, 'J' => 4, 'K' => 4, 'L' => 4, 'M' => 4, 'N' => 4,
'O' => 5, 'P' => 5, 'Q' => 5, 'R' => 5, 'S' => 5, 'T' => 5,
'U' => 0, 'V' => 0, 'W' => 0, 'X' => 0, 'Y' => 0, 'Z' => 0,
];
protected $columns = [
'0' => 1, '1' => 2, '2' => 3, '3' => 4, '4' => 5, '5' => 0,
'6' => 1, '7' => 2, '8' => 3, '9' => 4, 'A' => 5, 'B' => 0,
'C' => 1, 'D' => 2, 'E' => 3, 'F' => 4, 'G' => 5, 'H' => 0,
'I' => 1, 'J' => 2, 'K' => 3, 'L' => 4, 'M' => 5, 'N' => 0,
'O' => 1, 'P' => 2, 'Q' => 3, 'R' => 4, 'S' => 5, 'T' => 0,
'U' => 1, 'V' => 2, 'W' => 3, 'X' => 4, 'Y' => 5, 'Z' => 0,
];
/**
* Default options for Postnet barcode
* @return void
*/
protected function getDefaultOptions()
{
$this->barThinWidth = 2;
$this->barHeight = 20;
$this->drawText = false;
$this->stretchText = true;
$this->mandatoryChecksum = true;
}
/**
* Width of the barcode (in pixels)
* @return int
*/
protected function calculateBarcodeWidth()
{
$quietZone = $this->getQuietZone();
$startCharacter = (2 * $this->barThinWidth) * $this->factor;
$stopCharacter = (1 * $this->barThinWidth) * $this->factor;
$encodedData = (8 * $this->barThinWidth) * $this->factor * strlen($this->getText());
return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
}
/**
* Partial check of interleaved Postnet barcode
* @return void
*/
protected function checkSpecificParams()
{
}
/**
* Prepare array to draw barcode
* @return array
*/
protected function prepareBarcode()
{
$barcodeTable = [];
// Start character (1)
$barcodeTable[] = [1, $this->barThinWidth, 0, 5 / 8];
$barcodeTable[] = [0, $this->barThinWidth, 0, 1];
// Text to encode
$textTable = str_split($this->getText());
foreach ($textTable as $char) {
$bars = str_split($this->codingMap[$char]);
foreach ($bars as $b) {
$barcodeTable[] = [1, $this->barThinWidth, ($b > 1 ? 3 / 8 : 0), ($b % 2 ? 5 / 8 : 1)];
$barcodeTable[] = [0, $this->barThinWidth, 0, 1];
}
}
// Stop character (1)
$barcodeTable[] = [1, $this->barThinWidth, 0, 1];
return $barcodeTable;
}
/**
* Get barcode checksum
*
* @param string $text
* @return int
*/
public function getChecksum($text)
{
$this->checkText($text);
$values = str_split($text);
$rowvalue = 0;
$colvalue = 0;
foreach ($values as $row) {
$rowvalue += $this->rows[$row];
$colvalue += $this->columns[$row];
}
$rowvalue %= 6;
$colvalue %= 6;
$rowchkvalue = array_keys($this->rows, $rowvalue);
$colchkvalue = array_keys($this->columns, $colvalue);
return current(array_intersect($rowchkvalue, $colchkvalue));
}
}
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